More Apple X11.app wierdness

When you are running your own window manager (and with the quartz-wm in proxy mode for the clipboard support), expoze works with X11 windows. Amazing!

Well, sort of. It throws around all the windows correctly; and when you click one it comes to the top; but it doesn't change X11's window stacking order because front clicks are sent through to the window that used to be on top instead of the one that Quartz has now placed on top.